Index: Makefile ================================================================== --- Makefile +++ Makefile @@ -36,11 +36,12 @@ subrun.scm archive.scm env.scm \ diff-report.scm cgisetup/models/pgdb.scm # module source files MSRCFILES = dbfile.scm debugprint.scm mtargs.scm commonmod.scm dbmod.scm \ - tcp-transportmod.scm rmtmod.scm portlogger.scm apimod.scm + tcp-transportmod.scm rmtmod.scm portlogger.scm apimod.scm \ + configfmod.scm processmod.scm transport-mode.scm : transport-mode.scm.template cp transport-mode.scm.template transport-mode.scm dashboard-transport-mode.scm : dashboard-transport-mode.scm.template @@ -49,14 +50,17 @@ mtest : transport-mode.scm dboard : dashboard-transport-mode.scm # dbmod.import.o is just a hack here mofiles/portlogger.o : mofiles/dbmod.o +process.o : mofiles/processmod.o +mofiles/configfmod.o : mofiles/processmod.o +mofiles/processmod.o : mofiles/commonmod.o mofiles/dbfile.o : \ mofiles/debugprint.o mofiles/commonmod.o -mofiles/apimod.o : mofiles/commonmod.o mofiles/tcp-transportmod.o +mofiles/apimod.o : mofiles/commonmod.o mofiles/tcp-transportmod.o mofiles/configfmod.o mofiles/dbmod.o : mofiles/dbfile.o mofiles/api.o : mofiles/apimod.o mofiles/commonmod.o : mofiles/debugprint.o configf.o : commonmod.import.o mofiles/dbfile.o : mofiles/debugprint.o @@ -181,10 +185,11 @@ # Special dependencies for the includes $(MOFILE) $(MOIMPFILES) : megatest-fossil-hash.scm mofiles/commonmod.o : mofiles/debugprint.o megatest-fossil-hash.scm common.o : mofiles/commonmod.o +mofiles/configfmod.o : mofiles/commonmod.o # mofiles/dbmod.o : mofiles/configfmod.o # commonmod.o dashboard.o megatest.o tcmt.o apimod.o : megatest-fossil-hash.scm Index: common.scm ================================================================== --- common.scm +++ common.scm @@ -77,27 +77,10 @@ (print-error-message exn) )))) (debug:print-info 0 *default-log-port* " -- continuing after nonfatal condition...") #f) (thunk))) -(define getenv get-environment-variable) -(define (safe-setenv key val) - (if (or (substring-index "!" key) - (substring-index ":" key) ;; variables containing : are for internal use and cannot be environment variables. - (substring-index "." key)) ;; periods are not allowed in environment variables - (debug:print-error 4 *default-log-port* "skip setting internal use only variables containing \":\" or starting with \"!\"") - (if (and (string? val) - (string? key)) - (handle-exceptions - exn - (debug:print-error 0 *default-log-port* "bad value for setenv, key=" key ", value=" val ", exn=" exn) - (setenv key val)) - (debug:print-error 0 *default-log-port* "bad value for setenv, key=" key ", value=" val)))) - -(define home (getenv "HOME")) -(define user (getenv "USER")) - ;; returns list of fd count, socket count (define (get-file-descriptor-count #!key (pid (current-process-id ))) (list (length (glob (conc "/proc/" pid "/fd/*"))) @@ -1185,46 +1168,10 @@ rtestpatt) (else (debug:print-info 0 *default-log-port* "using testpatt " args-testpatt " rtestpatt:" rtestpatt) args-testpatt)))) -(define (common:false-on-exception thunk #!key (message #f)) - (handle-exceptions exn - (begin - (if message - (debug:print-info 0 *default-log-port* message)) - #f) (thunk) )) - -(define (common:file-exists? path-string #!key (silent #f)) - ;;;; TODO: catch permission denied exceptions and emit appropriate warnings. Might be able to get rid of with chicken 5? - (common:false-on-exception (lambda () (file-exists? path-string)) - message: (if (not silent) - (conc "Unable to access path: " path-string) - #f) - )) - -(define (common:directory-exists? path-string) - ;;;; TODO: catch permission denied exceptions and emit appropriate warnings - (common:false-on-exception (lambda () (directory-exists? path-string)) - message: (conc "Unable to access path: " path-string) - )) - -;;====================================================================== -;; does the directory exist and do we have write access? -;; -;; returns the directory or #f -;; -(define (common:directory-writable? path-string) - (handle-exceptions - exn - (begin - (debug:print 0 *default-log-port* "Failed to identify access to " path-string ", exn=" exn) - #f) - (if (and (directory-exists? path-string) - (file-write-access? path-string)) - path-string - #f))) (define (common:get-linktree) (or (getenv "MT_LINKTREE") (if *configdat* (configf:lookup *configdat* "setup" "linktree") @@ -1551,55 +1498,14 @@ (apply max (map common:lazy-modification-time file-list)))) -;;====================================================================== -;; return a nice clean pathname made absolute -(define (common:nice-path dir) - (let ((match (string-match "^(~[^\\/]*)(\\/.*|)$" dir))) - (if match ;; using ~ for home? - (common:nice-path (conc (common:read-link-f (cadr match)) "/" (caddr match))) - (normalize-pathname (if (absolute-pathname? dir) - dir - (conc (current-directory) "/" dir)))))) - ;;====================================================================== ;; make "nice-path" available in config files and the repl (define nice-path common:nice-path) -(define (common:read-link-f path) - (handle-exceptions - exn - (begin - (debug:print-error 0 *default-log-port* "command \"/bin/readlink -f " path "\" failed. exn=" exn) - path) ;; just give up - (with-input-from-pipe - (conc "/bin/readlink -f " path) - (lambda () - (read-line))))) - -;; for reasons I don't understand multiple calls to real-path in parallel threads -;; must be protected by mutexes -;; -(define (common:real-path inpath) - ;; (process:cmd-run-with-stderr->list "readlink" "-f" inpath)) ;; cmd . params) - ;; (let-values - ;; (((inp oup pid) (process "readlink" (list "-f" inpath)))) - ;; (with-input-from-port inp - ;; (let loop ((inl (read-line)) - ;; (res #f)) - ;; (print "inl=" inl) - ;; (if (eof-object? inl) - ;; (begin - ;; (close-input-port inp) - ;; (close-output-port oup) - ;; ;; (process-wait pid) - ;; res) - ;; (loop (read-line) inl)))))) - (with-input-from-pipe (conc "readlink -f " inpath) read-line)) - ;;====================================================================== ;; returns *effective load* (not normalized) ;; (define (common:get-intercept onemin fivemin) (if (< onemin fivemin) ;; load is decreasing, just use the onemin load @@ -3030,50 +2936,10 @@ `(,(alist-ref 't x) . ,(string->number (alist-ref 'D x)))) pkts) (lambda (a b)(> (cdr a)(cdr b)))) ;; sort descending (lambda (a b)(equal? (car a)(car b))))) ;; remove duplicates by target -;;====================================================================== -;; accept an alist or hash table containing envvar/env value pairs (value of #f causes unset) -;; execute thunk in context of environment modified as per this list -;; restore env to prior state then return value of eval'd thunk. -;; ** this is not thread safe ** -(define (common:with-env-vars delta-env-alist-or-hash-table thunk) - (let* ((delta-env-alist (if (hash-table? delta-env-alist-or-hash-table) - (hash-table->alist delta-env-alist-or-hash-table) - delta-env-alist-or-hash-table)) - (restore-thunks - (filter - identity - (map (lambda (env-pair) - (let* ((env-var (car env-pair)) - (new-val (let ((tmp (cdr env-pair))) - (if (list? tmp) (car tmp) tmp))) - (current-val (get-environment-variable env-var)) - (restore-thunk - (cond - ((not current-val) (lambda () (unsetenv env-var))) - ((not (string? new-val)) #f) - ((eq? current-val new-val) #f) - (else - (lambda () (setenv env-var current-val)))))) - ;;(when (not (string? new-val)) - ;; (debug:print 0 *default-log-port* " PROBLEM: not a string: "new-val"\n from env-alist:\n"delta-env-alist) - ;; (pp delta-env-alist) - ;; (exit 1)) - - - (cond - ((not new-val) ;; modify env here - (unsetenv env-var)) - ((string? new-val) - (setenv env-var new-val))) - restore-thunk)) - delta-env-alist)))) - (let ((rv (thunk))) - (for-each (lambda (x) (x)) restore-thunks) ;; restore env to original state - rv))) (define *common:thread-punchlist* (make-hash-table)) (define (common:send-thunk-to-background-thread thunk #!key (name #f)) ;;(BB> "launched thread " name) ;; we need a unique name for the thread. Index: commonmod.scm ================================================================== --- commonmod.scm +++ commonmod.scm @@ -124,10 +124,111 @@ (begin (hash-table-set! *common:denoise* key currtime) #t) #f))) +;; environment vars handy stuff from common.scm +;; +(define getenv get-environment-variable) +(define (safe-setenv key val) + (if (or (substring-index "!" key) + (substring-index ":" key) ;; variables containing : are for internal use and cannot be environment variables. + (substring-index "." key)) ;; periods are not allowed in environment variables + (debug:print-error 4 *default-log-port* "skip setting internal use only variables containing \":\" or starting with \"!\"") + (if (and (string? val) + (string? key)) + (handle-exceptions + exn + (debug:print-error 0 *default-log-port* "bad value for setenv, key=" key ", value=" val ", exn=" exn) + (setenv key val)) + (debug:print-error 0 *default-log-port* "bad value for setenv, key=" key ", value=" val)))) + +;;====================================================================== +;; accept an alist or hash table containing envvar/env value pairs (value of #f causes unset) +;; execute thunk in context of environment modified as per this list +;; restore env to prior state then return value of eval'd thunk. +;; ** this is not thread safe ** +(define (common:with-env-vars delta-env-alist-or-hash-table thunk) + (let* ((delta-env-alist (if (hash-table? delta-env-alist-or-hash-table) + (hash-table->alist delta-env-alist-or-hash-table) + delta-env-alist-or-hash-table)) + (restore-thunks + (filter + identity + (map (lambda (env-pair) + (let* ((env-var (car env-pair)) + (new-val (let ((tmp (cdr env-pair))) + (if (list? tmp) (car tmp) tmp))) + (current-val (get-environment-variable env-var)) + (restore-thunk + (cond + ((not current-val) (lambda () (unsetenv env-var))) + ((not (string? new-val)) #f) + ((eq? current-val new-val) #f) + (else + (lambda () (setenv env-var current-val)))))) + ;;(when (not (string? new-val)) + ;; (debug:print 0 *default-log-port* " PROBLEM: not a string: "new-val"\n from env-alist:\n"delta-env-alist) + ;; (pp delta-env-alist) + ;; (exit 1)) + + + (cond + ((not new-val) ;; modify env here + (unsetenv env-var)) + ((string? new-val) + (setenv env-var new-val))) + restore-thunk)) + delta-env-alist)))) + (let ((rv (thunk))) + (for-each (lambda (x) (x)) restore-thunks) ;; restore env to original state + rv))) + +(define home (getenv "HOME")) +(define user (getenv "USER")) + +;;====================================================================== +;; return a nice clean pathname made absolute +(define (common:nice-path dir) + (let ((match (string-match "^(~[^\\/]*)(\\/.*|)$" dir))) + (if match ;; using ~ for home? + (common:nice-path (conc (common:read-link-f (cadr match)) "/" (caddr match))) + (normalize-pathname (if (absolute-pathname? dir) + dir + (conc (current-directory) "/" dir)))))) + +(define (common:read-link-f path) + (handle-exceptions + exn + (begin + (debug:print-error 0 *default-log-port* "command \"/bin/readlink -f " path "\" failed. exn=" exn) + path) ;; just give up + (with-input-from-pipe + (conc "/bin/readlink -f " path) + (lambda () + (read-line))))) + +;; for reasons I don't understand multiple calls to real-path in parallel threads +;; must be protected by mutexes +;; +(define (common:real-path inpath) + ;; (process:cmd-run-with-stderr->list "readlink" "-f" inpath)) ;; cmd . params) + ;; (let-values + ;; (((inp oup pid) (process "readlink" (list "-f" inpath)))) + ;; (with-input-from-port inp + ;; (let loop ((inl (read-line)) + ;; (res #f)) + ;; (print "inl=" inl) + ;; (if (eof-object? inl) + ;; (begin + ;; (close-input-port inp) + ;; (close-output-port oup) + ;; ;; (process-wait pid) + ;; res) + ;; (loop (read-line) inl)))))) + (with-input-from-pipe (conc "readlink -f " inpath) read-line)) + ;; KEEP THIS ONE ;; ;; client:get-signature (define *my-client-signature* #f) @@ -138,10 +239,47 @@ (set! *my-client-signature* sig) *my-client-signature*))) (define *server-info* #f) (define *toppath* #f) + +(define (common:false-on-exception thunk #!key (message #f)) + (handle-exceptions exn + (begin + (if message + (debug:print-info 0 *default-log-port* message)) + #f) (thunk) )) + +(define (common:file-exists? path-string #!key (silent #f)) + ;;;; TODO: catch permission denied exceptions and emit appropriate warnings. Might be able to get rid of with chicken 5? + (common:false-on-exception (lambda () (file-exists? path-string)) + message: (if (not silent) + (conc "Unable to access path: " path-string) + #f) + )) + +(define (common:directory-exists? path-string) + ;;;; TODO: catch permission denied exceptions and emit appropriate warnings + (common:false-on-exception (lambda () (directory-exists? path-string)) + message: (conc "Unable to access path: " path-string) + )) + +;;====================================================================== +;; does the directory exist and do we have write access? +;; +;; returns the directory or #f +;; +(define (common:directory-writable? path-string) + (handle-exceptions + exn + (begin + (debug:print 0 *default-log-port* "Failed to identify access to " path-string ", exn=" exn) + #f) + (if (and (directory-exists? path-string) + (file-write-access? path-string)) + path-string + #f))) ;;====================================================================== ;; config file utils ;;====================================================================== Index: configf.scm ================================================================== --- configf.scm +++ configf.scm @@ -31,92 +31,67 @@ (declare (uses mtargs)) (declare (uses mtargs.import)) (declare (uses common)) (declare (uses commonmod)) (declare (uses commonmod.import)) +(declare (uses configfmod)) +(declare (uses configfmod.import)) (declare (uses dbfile)) (declare (uses dbfile.import)) (declare (uses dbmod)) (declare (uses dbmod.import)) (import commonmod + configfmod (prefix mtargs args:) debugprint) (include "common_records.scm") -;; return list (path fullpath configname) -(define (find-config configname #!key (toppath #f)) - (if toppath - (let ((cfname (conc toppath "/" configname))) - (if (common:file-exists? cfname) - (list toppath cfname configname) - (list #f #f #f))) - (let* ((cwd (string-split (current-directory) "/"))) - (let loop ((dir cwd)) - (let* ((path (conc "/" (string-intersperse dir "/"))) - (fullpath (conc path "/" configname))) - (if (common:file-exists? fullpath) - (list path fullpath configname) - (let ((remcwd (take dir (- (length dir) 1)))) - (if (null? remcwd) - (list #f #f #f) ;; #f #f) - (loop remcwd))))))))) - -(define (configf:assoc-safe-add alist key val #!key (metadata #f)) - (let ((newalist (filter (lambda (x)(not (equal? key (car x)))) alist))) - (append newalist (list (if metadata - (list key val metadata) - (list key val)))))) - -;; this is used in megatestqa/ext.scm. -;; remove it from here and there by 12/31/21 -;; (define config:assoc-safe-add configf:assoc-safe-add) - -(define (configf:section-var-set! cfgdat section-name var value #!key (metadata #f)) - (hash-table-set! cfgdat section-name - (configf:assoc-safe-add - (hash-table-ref/default cfgdat section-name '()) - var value metadata: metadata))) - -(define (configf:eval-string-in-environment str) - ;; (if (or (string-null? str) - ;; (equal? "!" (substring str 0 1))) ;; null string or starts with ! are preserved but NOT set in the environment - str - (handle-exceptions - exn - (begin - (debug:print-error 0 *default-log-port* "problem evaluating \"" str "\" in the shell environment, exn=" exn) - #f) - (let ((cmdres (process:cmd-run->list (conc "echo " str)))) - (if (null? cmdres) "" - (caar cmdres))))) ;; ) - -;;====================================================================== -;; Make the regexp's needed globally available -;;====================================================================== - -(define configf:include-rx (regexp "^\\[include\\s+(.*)\\]\\s*$")) -(define configf:script-rx (regexp "^\\[scriptinc\\s+(\\S+)([^\\]]*)\\]\\s*$")) ;; include output from a script -(define configf:section-rx (regexp "^\\[(.*)\\]\\s*$")) -(define configf:blank-l-rx (regexp "^\\s*$")) -(define configf:key-sys-pr (regexp "^(\\S+)\\s+\\[system\\s+(\\S+.*)\\]\\s*$")) -(define configf:key-val-pr (regexp "^(\\S+)(\\s+(.*)|())$")) -(define configf:key-no-val (regexp "^(\\S+)(\\s*)$")) -(define configf:comment-rx (regexp "^\\s*#.*")) -(define configf:cont-ln-rx (regexp "^(\\s+)(\\S+.*)$")) -(define configf:settings (regexp "^\\[configf:settings\\s+(\\S+)\\s+(\\S+)]\\s*$")) - -;; read a line and process any #{ ... } constructs - -(define configf:var-expand-regex (regexp "^(.*)#\\{(scheme|system|shell|getenv|get|runconfigs-get|rget|scm|sh|rp|gv|g|mtrah)\\s+([^\\}\\{]*)\\}(.*)")) - -(define (configf:system ht cmd) - (system cmd) - ) - -(define configf:imports "(import commonmod (prefix mtargs args:))") +(define (configf:write-alist cdat fname) + (if (not (common:faux-lock fname)) + (debug:print 0 *default-log-port* "INFO: Could not get lock on " fname)) + (let* ((dat (configf:config->alist cdat)) + (res + (begin + (with-output-to-file fname ;; first write out the file + (lambda () + (pp dat))) + + (if (common:file-exists? fname) ;; now verify it is readable + (if (configf:read-alist fname) + #t ;; data is good. + (begin + (handle-exceptions + exn + (begin + (debug:print 0 *default-log-port* "deleting " fname " failed, exn=" exn) + #f) + (debug:print 0 *default-log-port* "WARNING: content " dat " for cache " fname " is not readable. Deleting generated file.") + (delete-file fname)) + #f)) + #f)))) + (common:faux-unlock fname) + res)) + +;; pathenvvar will set the named var to the path of the config +(define (find-and-read-config fname #!key (environ-patt #f)(given-toppath #f)(pathenvvar #f)) + (let* ((curr-dir (current-directory)) + (configinfo (find-config fname toppath: given-toppath)) + (toppath (car configinfo)) + (configfile (cadr configinfo)) + (set-fields (lambda (curr-section next-section ht path) + (let ((field-names (if ht (common:get-fields ht) '())) + (target (or (getenv "MT_TARGET")(args:get-arg "-reqtarg")(args:get-arg "-target")))) + (debug:print-info 9 *default-log-port* "set-fields with field-names=" field-names " target=" target " curr-section=" curr-section " next-section=" next-section " path=" path " ht=" ht) + (if (not (null? field-names))(keys:target-set-args field-names target #f)))))) + (if toppath (change-directory toppath)) + (if (and toppath pathenvvar)(setenv pathenvvar toppath)) + (let ((configdat (if configfile + (read-config configfile #f #t environ-patt: environ-patt post-section-procs: (list (cons "^fields$" set-fields)) #f)))) + (if toppath (change-directory curr-dir)) + (list configdat toppath configfile fname)))) (define (configf:process-line l ht allow-system #!key (linenum #f)) (let loop ((res l)) (if (string? res) (let ((matchdat (string-search configf:var-expand-regex res))) @@ -170,27 +145,10 @@ (debug:print-info 9 *default-log-port* "for line \"" l "\"\n command: " cmd " took " delta " seconds to run with output:\n " result))))) (loop (conc prestr result poststr))) res)) res))) -;; Run a shell command and return the output as a string -(define (shell cmd) - (let* ((output (process:cmd-run->list cmd)) - (res (car output)) - (status (cadr output))) - (if (equal? status 0) - (let ((outres (string-intersperse - res - "\n"))) - (debug:print-info 4 *default-log-port* "shell result:\n" outres) - outres) - (begin ;; why is this printing to error-port and not using debug:print? -mrw- - (with-output-to-port (current-error-port) - (lambda () - (print "ERROR: " cmd " returned bad exit code " status))) - "")))) - ;; this was inline but I'm pretty sure that is a hold over from when it was *very* simple ... ;; (define (configf:read-line p ht allow-processing settings) (let loop ((inl (read-line p))) (let ((cont-line (and (string? inl) @@ -214,62 +172,10 @@ (if (and (string? res) ;; must set to "no" to force NOT trimming trailing spaces (not (equal? (hash-table-ref/default settings "trim-trailing-spaces" "yes") "no"))) (string-substitute "\\s+$" "" res) res)))))) -(define (configf:cfgdat->env-alist section cfgdat-ht allow-system) - (filter - (lambda (pair) - (let* ((var (car pair)) - (val (cdr pair))) - (cons var - (cond - ((and allow-system (procedure? val)) ;; if we decided to use something other than #t or #f for allow-system ('return-procs or 'return-string) , this may become problematic - (val)) - ((procedure? val) #f) - ((string? val) val) - (else "#f"))))) - (append - (hash-table-ref/default cfgdat-ht "default" '()) - (if (equal? section "default") '() (hash-table-ref/default cfgdat-ht section '()))))) - -(define (calc-allow-system allow-system section sections) - (if sections - (and (or (equal? "default" section) - (member section sections)) - allow-system) ;; account for sections and return allow-system as it might be a symbol such as return-strings - allow-system)) - -;; given a config hash and a section name, apply that section to all matching sections (using wildcard % or regex if /..../) -;; remove the section when done so that there is no downstream clobbering -;; -(define (configf:apply-wildcards ht section-name) - (if (hash-table-exists? ht section-name) - (let* ((vars (hash-table-ref ht section-name)) - (rxstr (if (string-contains section-name "%") - (string-substitute (regexp "%") ".*" section-name) - (string-substitute (regexp "^/(.*)/$") "\\1" section-name))) - (rx (regexp rxstr))) - ;; (print "\nsection-name: " section-name " rxstr: " rxstr) - (for-each - (lambda (section) - (if section - (let ((same-section (string=? section-name section)) - (rx-match (string-match rx section))) - ;; (print "section: " section " vars: " vars " same-section: " same-section " rx-match: " rx-match) - (if (and (not same-section) rx-match) - (for-each - (lambda (bundle) - ;; (print "bundle: " bundle) - (let ((key (car bundle)) - (val (cadr bundle)) - (meta (if (> (length bundle) 2)(caddr bundle) #f))) - (hash-table-set! ht section (configf:assoc-safe-add (hash-table-ref ht section) key val metadata: meta)))) - vars))))) - (hash-table-keys ht)))) - ht) - ;; read a config file, returns hash table of alists ;; read a config file, returns hash table of alists ;; adds to ht if given (must be #f otherwise) ;; allow-system: @@ -505,232 +411,17 @@ (set! var-flag #f) (loop (configf:read-line inp res (calc-allow-system allow-system curr-section-name sections) settings) curr-section-name #f #f)))) ) ;; end loop ))) -;; pathenvvar will set the named var to the path of the config -(define (find-and-read-config fname #!key (environ-patt #f)(given-toppath #f)(pathenvvar #f)) - (let* ((curr-dir (current-directory)) - (configinfo (find-config fname toppath: given-toppath)) - (toppath (car configinfo)) - (configfile (cadr configinfo)) - (set-fields (lambda (curr-section next-section ht path) - (let ((field-names (if ht (common:get-fields ht) '())) - (target (or (getenv "MT_TARGET")(args:get-arg "-reqtarg")(args:get-arg "-target")))) - (debug:print-info 9 *default-log-port* "set-fields with field-names=" field-names " target=" target " curr-section=" curr-section " next-section=" next-section " path=" path " ht=" ht) - (if (not (null? field-names))(keys:target-set-args field-names target #f)))))) - (if toppath (change-directory toppath)) - (if (and toppath pathenvvar)(setenv pathenvvar toppath)) - (let ((configdat (if configfile - (read-config configfile #f #t environ-patt: environ-patt post-section-procs: (list (cons "^fields$" set-fields)) #f)))) - (if toppath (change-directory curr-dir)) - (list configdat toppath configfile fname)))) - -(define (configf:lookup cfgdat section var) - (if (hash-table? cfgdat) - (let ((sectdat (hash-table-ref/default cfgdat section '()))) - (if (null? sectdat) - #f - (let ((match (assoc var sectdat))) - (if match ;; (and match (list? match)(> (length match) 1)) - (cadr match) - #f)) - )) - #f)) - -;; use to have definitive setting: -;; [foo] -;; var yes -;; -;; (configf:var-is? cfgdat "foo" "var" "yes") => #t -;; -(define (configf:var-is? cfgdat section var expected-val) - (equal? (configf:lookup cfgdat section var) expected-val)) - -;; redefines -(define config-lookup configf:lookup) -(define configf:read-file read-config) - -;; safely look up a value that is expected to be a number, return -;; a default (#f unless provided) -;; -(define (configf:lookup-number cfgdat section varname #!key (default #f)) - (let* ((val (configf:lookup cfgdat section varname)) - (res (if val - (string->number (string-substitute "\\s+" "" val #t)) - #f))) - (cond - (res res) - (val (debug:print 0 *default-log-port* "ERROR: no number found for [" section "], " varname ", got: " val)) - (else default)))) - -(define (configf:section-vars cfgdat section) - (let ((sectdat (hash-table-ref/default cfgdat section '()))) - (if (null? sectdat) - '() - (map car sectdat)))) - -(define (configf:get-section cfgdat section) - (hash-table-ref/default cfgdat section '())) - -(define (configf:set-section-var cfgdat section var val) - (let ((sectdat (configf:get-section cfgdat section))) - (hash-table-set! cfgdat section - (configf:assoc-safe-add sectdat var val)))) - -;;====================================================================== -;;(append (filter (lambda (x)(not (assoc var sectdat))) sectdat) -;; (list var val)))) - (define (setup) (let* ((configf (find-config "megatest.config")) (config (if configf (read-config configf #f #t) #f))) (if config (setenv "RUN_AREA_HOME" (pathname-directory configf))) config)) -;;====================================================================== -;; Non destructive writing of config file -;;====================================================================== - -(define (configf:compress-multi-lines fdat) - ;; step 1.5 - compress any continued lines - (if (null? fdat) fdat - (let loop ((hed (car fdat)) - (tal (cdr fdat)) - (cur "") - (led #f) - (res '())) - ;; ALL WHITESPACE LEADING LINES ARE TACKED ON!! - ;; 1. remove led whitespace - ;; 2. tack on to hed with "\n" - (let ((match (string-match configf:cont-ln-rx hed))) - (if match ;; blast! have to deal with a multiline - (let* ((lead (cadr match)) - (lval (caddr match)) - (newl (conc cur "\n" lval))) - (if (not led)(set! led lead)) - (if (null? tal) - (set! fdat (append fdat (list newl))) - (loop (car tal)(cdr tal) newl led res))) ;; NB// not tacking newl onto res - (let ((newres (if led - (append res (list cur hed)) - (append res (list hed))))) - ;; prev was a multiline - (if (null? tal) - newres - (loop (car tal)(cdr tal) "" #f newres)))))))) - -;; note: I'm cheating a little here. I merely replace "\n" with "\n " -(define (configf:expand-multi-lines fdat) - ;; step 1.5 - compress any continued lines - (if (null? fdat) fdat - (let loop ((hed (car fdat)) - (tal (cdr fdat)) - (res '())) - (let ((newres (append res (list (string-substitute (regexp "\n") "\n " hed #t))))) - (if (null? tal) - newres - (loop (car tal)(cdr tal) newres)))))) - -(define (configf:file->list fname) - (if (common:file-exists? fname) - (let ((inp (open-input-file fname))) - (let loop ((inl (read-line inp)) - (res '())) - (if (eof-object? inl) - (begin - (close-input-port inp) - (reverse res)) - (loop (read-line inp)(cons inl res))))) - '())) - -;;====================================================================== -;; Write a config -;; 0. Given a refererence data structure "indat" -;; 1. Open the output file and read it into a list -;; 2. Flatten any multiline entries -;; 3. Modify values per contents of "indat" and remove absent values -;; 4. Append new values to the section (immediately after last legit entry) -;; 5. Write out the new list -;;====================================================================== - -(define (configf:write-config indat fname #!key (required-sections '())) - (let* (;; step 1: Open the output file and read it into a list - (fdat (configf:file->list fname)) - (refdat (make-hash-table)) - (sechash (make-hash-table)) ;; current section hash, init with hash for "default" section - (new #f) ;; put the line to be used in new, if it is to be deleted the set new to #f - (secname #f)) - - ;; step 2: Flatten multiline entries - (if (not (null? fdat))(set! fdat (configf:compress-multi-lines fdat))) - - ;; step 3: Modify values per contents of "indat" and remove absent values - (if (not (null? fdat)) - (let loop ((hed (car fdat)) - (tal (cadr fdat)) - (res '()) - (lnum 0)) - (regex-case - hed - (configf:comment-rx _ (set! res (append res (list hed)))) ;; (loop (read-line inp) curr-section-name #f #f)) - (configf:blank-l-rx _ (set! res (append res (list hed)))) ;; (loop (read-line inp) curr-section-name #f #f)) - (configf:section-rx ( x section-name ) (let ((section-hash (hash-table-ref/default refdat section-name #f))) - (if (not section-hash) - (let ((newhash (make-hash-table))) - (hash-table-set! refdat section-name newhash) ;; was refhash - not sure that refdat is correct here - (set! sechash newhash)) - (set! sechash section-hash)) - (set! new hed) ;; will append this at the bottom of the loop - (set! secname section-name) - )) - ;; No need to process key cmd, let it fall though to key val - (configf:key-val-pr ( x key val ) - (let ((newval (configf:lookup indat secname key))) ;; was sec, bug or correct? - ;; can handle newval == #f here => that means key is removed - (cond - ((equal? newval val) - (set! res (append res (list hed)))) - ((not newval) ;; key has been removed - (set! new #f)) - ((not (equal? newval val)) - (hash-table-set! sechash key newval) - (set! new (conc key " " newval))) - (else - (debug:print-error 0 *default-log-port* "problem parsing line number " lnum "\"" hed "\""))))) - (else - (debug:print-error 0 *default-log-port* "Problem parsing line num " lnum " :\n " hed ))) - (if (not (null? tal)) - (loop (car tal)(cdr tal)(if new (append res (list new)) res)(+ lnum 1))) - ;; drop to here when done processing, res contains modified list of lines - (set! fdat res))) - - ;; step 4: Append new values to the section - (for-each - (lambda (section) - (let ((sdat '()) ;; append needed bits here - (svars (configf:section-vars indat section))) - (for-each - (lambda (var) - (let ((val (configf:lookup refdat section var))) - (if (not val) ;; this one is new - (begin - (if (null? sdat)(set! sdat (list (conc "[" section "]")))) - (set! sdat (append sdat (list (conc var " " val)))))))) - svars) - (set! fdat (append fdat sdat)))) - (delete-duplicates (append required-sections (hash-table-keys indat)))) - - ;; step 5: Write out new file - (with-output-to-file fname - (lambda () - (for-each - (lambda (line) - (print line)) - (configf:expand-multi-lines fdat)))))) - ;;====================================================================== ;; refdb ;;====================================================================== ;; reads a refdb into an assoc array of assoc arrays @@ -760,95 +451,10 @@ ;; (set! data (append data (list (list sheet-name ref-assoc)))))) (set! data (cons (list sheet-name ref-assoc) data)))) sheets) (list data "NO ERRORS")))))) -;; map over all pairs in a three level hierarchial alist and apply a function to the keys/val -;; -(define (configf:map-all-hier-alist data proc #!key (initproc1 #f)(initproc2 #f)(initproc3 #f)) - (for-each - (lambda (sheetname) - (let* ((sheettmp (assoc sheetname data)) - (sheetdat (if sheettmp (cadr sheettmp) '()))) - (if initproc1 (initproc1 sheetname)) - (for-each - (lambda (sectionname) - (let* ((sectiontmp (assoc sectionname sheetdat)) - (sectiondat (if sectiontmp (cadr sectiontmp) '()))) - (if initproc2 (initproc2 sheetname sectionname)) - (for-each - (lambda (varname) - (let* ((valtmp (assoc varname sectiondat)) - (val (if valtmp (cadr valtmp) ""))) - (proc sheetname sectionname varname val))) - (map car sectiondat)))) - (map car sheetdat)))) - (map car data)) - data) - -;;====================================================================== -;; C O N F I G T O / F R O M A L I S T -;;====================================================================== - -(define (configf:config->alist cfgdat) - (hash-table->alist cfgdat)) - -(define (configf:alist->config adat) - (let ((ht (make-hash-table))) - (for-each - (lambda (section) - (hash-table-set! ht (car section)(cdr section))) - adat) - ht)) - -;; if -(define (configf:read-alist fname) - (handle-exceptions - exn - (begin - (debug:print 0 *default-log-port* "read of alist " fname " failed. exn=" exn) - #f) - (configf:alist->config - (with-input-from-file fname read)))) - -(define (configf:write-alist cdat fname) - (if (not (common:faux-lock fname)) - (debug:print 0 *default-log-port* "INFO: Could not get lock on " fname)) - (let* ((dat (configf:config->alist cdat)) - (res - (begin - (with-output-to-file fname ;; first write out the file - (lambda () - (pp dat))) - - (if (common:file-exists? fname) ;; now verify it is readable - (if (configf:read-alist fname) - #t ;; data is good. - (begin - (handle-exceptions - exn - (begin - (debug:print 0 *default-log-port* "deleting " fname " failed, exn=" exn) - #f) - (debug:print 0 *default-log-port* "WARNING: content " dat " for cache " fname " is not readable. Deleting generated file.") - (delete-file fname)) - #f)) - #f)))) - (common:faux-unlock fname) - res)) - -;; convert hierarchial list to ini format -;; -(define (configf:config->ini data) - (map - (lambda (section) - (let ((section-name (car section)) - (section-dat (cdr section))) - (print "\n[" section-name "]") - (map (lambda (dat-pair) - (let* ((var (car dat-pair)) - (val (cadr dat-pair)) - (fname (if (> (length dat-pair) 2)(caddr dat-pair) #f))) - (if fname (print "# " var "=>" fname)) - (print var " " val))) - section-dat))) ;; (print "section-dat: " section-dat)) - (hash-table->alist data))) + + +;; redefines +(define config-lookup configf:lookup) +(define configf:read-file read-config) Index: configfmod.scm ================================================================== --- configfmod.scm +++ configfmod.scm @@ -17,59 +17,436 @@ ;; along with Megatest. If not, see . ;;====================================================================== (declare (unit configfmod)) -;; (declare (uses mtargs)) -;; (declare (uses debugprint)) -;; (declare (uses keysmod)) +(declare (uses debugprint)) +(declare (uses commonmod)) +(declare (uses processmod)) (module configfmod * -(import srfi-1 - -;; scheme -;; -;; big-chicken ;; more of a reminder than anything ... -;; chicken.base -;; chicken.condition -;; chicken.file -;; chicken.io -;; chicken.pathname -;; chicken.port -;; chicken.pretty-print -;; chicken.process -;; chicken.process-context -;; chicken.process-context.posix -;; chicken.sort -;; chicken.string -;; chicken.time -;; chicken.eval -;; -;; debugprint -;; (prefix mtargs args:) -;; pkts -;; keysmod -;; -;; (prefix base64 base64:) -;; (prefix dbi dbi:) -;; (prefix sqlite3 sqlite3:) -;; (srfi 18) -;; directory-utils -;; format -;; matchable -;; md5 -;; message-digest -;; regex -;; regex-case -;; sparse-vectors -;; srfi-1 -;; srfi-13 -;; srfi-69 -;; stack -;; typed-records -;; z3 - - ) +(import scheme + chicken + extras + files + ports + srfi-1 + srfi-13 + srfi-69 + + posix + data-structures + + regex + regex-case + + ) + +(import debugprint + commonmod + processmod) + +;; return list (path fullpath configname) +(define (find-config configname #!key (toppath #f)) + (if toppath + (let ((cfname (conc toppath "/" configname))) + (if (common:file-exists? cfname) + (list toppath cfname configname) + (list #f #f #f))) + (let* ((cwd (string-split (current-directory) "/"))) + (let loop ((dir cwd)) + (let* ((path (conc "/" (string-intersperse dir "/"))) + (fullpath (conc path "/" configname))) + (if (common:file-exists? fullpath) + (list path fullpath configname) + (let ((remcwd (take dir (- (length dir) 1)))) + (if (null? remcwd) + (list #f #f #f) ;; #f #f) + (loop remcwd))))))))) + +(define (configf:assoc-safe-add alist key val #!key (metadata #f)) + (let ((newalist (filter (lambda (x)(not (equal? key (car x)))) alist))) + (append newalist (list (if metadata + (list key val metadata) + (list key val)))))) + +;; this is used in megatestqa/ext.scm. +;; remove it from here and there by 12/31/21 +;; (define config:assoc-safe-add configf:assoc-safe-add) + +(define (configf:section-var-set! cfgdat section-name var value #!key (metadata #f)) + (hash-table-set! cfgdat section-name + (configf:assoc-safe-add + (hash-table-ref/default cfgdat section-name '()) + var value metadata: metadata))) + +(define (configf:eval-string-in-environment str) + ;; (if (or (string-null? str) + ;; (equal? "!" (substring str 0 1))) ;; null string or starts with ! are preserved but NOT set in the environment + str + (handle-exceptions + exn + (begin + (debug:print-error 0 *default-log-port* "problem evaluating \"" str "\" in the shell environment, exn=" exn) + #f) + (let ((cmdres (process:cmd-run->list (conc "echo " str)))) + (if (null? cmdres) "" + (caar cmdres))))) ;; ) + +;;====================================================================== +;; Make the regexp's needed globally available +;;====================================================================== + +(define configf:include-rx (regexp "^\\[include\\s+(.*)\\]\\s*$")) +(define configf:script-rx (regexp "^\\[scriptinc\\s+(\\S+)([^\\]]*)\\]\\s*$")) ;; include output from a script +(define configf:section-rx (regexp "^\\[(.*)\\]\\s*$")) +(define configf:blank-l-rx (regexp "^\\s*$")) +(define configf:key-sys-pr (regexp "^(\\S+)\\s+\\[system\\s+(\\S+.*)\\]\\s*$")) +(define configf:key-val-pr (regexp "^(\\S+)(\\s+(.*)|())$")) +(define configf:key-no-val (regexp "^(\\S+)(\\s*)$")) +(define configf:comment-rx (regexp "^\\s*#.*")) +(define configf:cont-ln-rx (regexp "^(\\s+)(\\S+.*)$")) +(define configf:settings (regexp "^\\[configf:settings\\s+(\\S+)\\s+(\\S+)]\\s*$")) + +;; read a line and process any #{ ... } constructs + +(define configf:var-expand-regex (regexp "^(.*)#\\{(scheme|system|shell|getenv|get|runconfigs-get|rget|scm|sh|rp|gv|g|mtrah)\\s+([^\\}\\{]*)\\}(.*)")) + +(define (configf:system ht cmd) + (system cmd) + ) + +(define configf:imports "(import commonmod (prefix mtargs args:))") + +;; Run a shell command and return the output as a string +(define (shell cmd) + (let* ((output (process:cmd-run->list cmd)) + (res (car output)) + (status (cadr output))) + (if (equal? status 0) + (let ((outres (string-intersperse + res + "\n"))) + (debug:print-info 4 *default-log-port* "shell result:\n" outres) + outres) + (begin ;; why is this printing to error-port and not using debug:print? -mrw- + (with-output-to-port (current-error-port) + (lambda () + (print "ERROR: " cmd " returned bad exit code " status))) + "")))) + +(define (configf:cfgdat->env-alist section cfgdat-ht allow-system) + (filter + (lambda (pair) + (let* ((var (car pair)) + (val (cdr pair))) + (cons var + (cond + ((and allow-system (procedure? val)) ;; if we decided to use something other than #t or #f for allow-system ('return-procs or 'return-string) , this may become problematic + (val)) + ((procedure? val) #f) + ((string? val) val) + (else "#f"))))) + (append + (hash-table-ref/default cfgdat-ht "default" '()) + (if (equal? section "default") '() (hash-table-ref/default cfgdat-ht section '()))))) + +(define (calc-allow-system allow-system section sections) + (if sections + (and (or (equal? "default" section) + (member section sections)) + allow-system) ;; account for sections and return allow-system as it might be a symbol such as return-strings + allow-system)) + +;; given a config hash and a section name, apply that section to all matching sections (using wildcard % or regex if /..../) +;; remove the section when done so that there is no downstream clobbering +;; +(define (configf:apply-wildcards ht section-name) + (if (hash-table-exists? ht section-name) + (let* ((vars (hash-table-ref ht section-name)) + (rxstr (if (string-contains section-name "%") + (string-substitute (regexp "%") ".*" section-name) + (string-substitute (regexp "^/(.*)/$") "\\1" section-name))) + (rx (regexp rxstr))) + ;; (print "\nsection-name: " section-name " rxstr: " rxstr) + (for-each + (lambda (section) + (if section + (let ((same-section (string=? section-name section)) + (rx-match (string-match rx section))) + ;; (print "section: " section " vars: " vars " same-section: " same-section " rx-match: " rx-match) + (if (and (not same-section) rx-match) + (for-each + (lambda (bundle) + ;; (print "bundle: " bundle) + (let ((key (car bundle)) + (val (cadr bundle)) + (meta (if (> (length bundle) 2)(caddr bundle) #f))) + (hash-table-set! ht section (configf:assoc-safe-add (hash-table-ref ht section) key val metadata: meta)))) + vars))))) + (hash-table-keys ht)))) + ht) + +(define (configf:lookup cfgdat section var) + (if (hash-table? cfgdat) + (let ((sectdat (hash-table-ref/default cfgdat section '()))) + (if (null? sectdat) + #f + (let ((match (assoc var sectdat))) + (if match ;; (and match (list? match)(> (length match) 1)) + (cadr match) + #f)) + )) + #f)) + +;; use to have definitive setting: +;; [foo] +;; var yes +;; +;; (configf:var-is? cfgdat "foo" "var" "yes") => #t +;; +(define (configf:var-is? cfgdat section var expected-val) + (equal? (configf:lookup cfgdat section var) expected-val)) + +;; safely look up a value that is expected to be a number, return +;; a default (#f unless provided) +;; +(define (configf:lookup-number cfgdat section varname #!key (default #f)) + (let* ((val (configf:lookup cfgdat section varname)) + (res (if val + (string->number (string-substitute "\\s+" "" val #t)) + #f))) + (cond + (res res) + (val (debug:print 0 *default-log-port* "ERROR: no number found for [" section "], " varname ", got: " val)) + (else default)))) + +(define (configf:section-vars cfgdat section) + (let ((sectdat (hash-table-ref/default cfgdat section '()))) + (if (null? sectdat) + '() + (map car sectdat)))) + +(define (configf:get-section cfgdat section) + (hash-table-ref/default cfgdat section '())) + +(define (configf:set-section-var cfgdat section var val) + (let ((sectdat (configf:get-section cfgdat section))) + (hash-table-set! cfgdat section + (configf:assoc-safe-add sectdat var val)))) + +;;====================================================================== +;;(append (filter (lambda (x)(not (assoc var sectdat))) sectdat) +;; (list var val)))) + +;;====================================================================== +;; Non destructive writing of config file +;;====================================================================== + +(define (configf:compress-multi-lines fdat) + ;; step 1.5 - compress any continued lines + (if (null? fdat) fdat + (let loop ((hed (car fdat)) + (tal (cdr fdat)) + (cur "") + (led #f) + (res '())) + ;; ALL WHITESPACE LEADING LINES ARE TACKED ON!! + ;; 1. remove led whitespace + ;; 2. tack on to hed with "\n" + (let ((match (string-match configf:cont-ln-rx hed))) + (if match ;; blast! have to deal with a multiline + (let* ((lead (cadr match)) + (lval (caddr match)) + (newl (conc cur "\n" lval))) + (if (not led)(set! led lead)) + (if (null? tal) + (set! fdat (append fdat (list newl))) + (loop (car tal)(cdr tal) newl led res))) ;; NB// not tacking newl onto res + (let ((newres (if led + (append res (list cur hed)) + (append res (list hed))))) + ;; prev was a multiline + (if (null? tal) + newres + (loop (car tal)(cdr tal) "" #f newres)))))))) + +;; note: I'm cheating a little here. I merely replace "\n" with "\n " +(define (configf:expand-multi-lines fdat) + ;; step 1.5 - compress any continued lines + (if (null? fdat) fdat + (let loop ((hed (car fdat)) + (tal (cdr fdat)) + (res '())) + (let ((newres (append res (list (string-substitute (regexp "\n") "\n " hed #t))))) + (if (null? tal) + newres + (loop (car tal)(cdr tal) newres)))))) + +(define (configf:file->list fname) + (if (common:file-exists? fname) + (let ((inp (open-input-file fname))) + (let loop ((inl (read-line inp)) + (res '())) + (if (eof-object? inl) + (begin + (close-input-port inp) + (reverse res)) + (loop (read-line inp)(cons inl res))))) + '())) + +;;====================================================================== +;; Write a config +;; 0. Given a refererence data structure "indat" +;; 1. Open the output file and read it into a list +;; 2. Flatten any multiline entries +;; 3. Modify values per contents of "indat" and remove absent values +;; 4. Append new values to the section (immediately after last legit entry) +;; 5. Write out the new list +;;====================================================================== + +(define (configf:write-config indat fname #!key (required-sections '())) + (let* (;; step 1: Open the output file and read it into a list + (fdat (configf:file->list fname)) + (refdat (make-hash-table)) + (sechash (make-hash-table)) ;; current section hash, init with hash for "default" section + (new #f) ;; put the line to be used in new, if it is to be deleted the set new to #f + (secname #f)) + + ;; step 2: Flatten multiline entries + (if (not (null? fdat))(set! fdat (configf:compress-multi-lines fdat))) + + ;; step 3: Modify values per contents of "indat" and remove absent values + (if (not (null? fdat)) + (let loop ((hed (car fdat)) + (tal (cadr fdat)) + (res '()) + (lnum 0)) + (regex-case + hed + (configf:comment-rx _ (set! res (append res (list hed)))) ;; (loop (read-line inp) curr-section-name #f #f)) + (configf:blank-l-rx _ (set! res (append res (list hed)))) ;; (loop (read-line inp) curr-section-name #f #f)) + (configf:section-rx ( x section-name ) (let ((section-hash (hash-table-ref/default refdat section-name #f))) + (if (not section-hash) + (let ((newhash (make-hash-table))) + (hash-table-set! refdat section-name newhash) ;; was refhash - not sure that refdat is correct here + (set! sechash newhash)) + (set! sechash section-hash)) + (set! new hed) ;; will append this at the bottom of the loop + (set! secname section-name) + )) + ;; No need to process key cmd, let it fall though to key val + (configf:key-val-pr ( x key val ) + (let ((newval (configf:lookup indat secname key))) ;; was sec, bug or correct? + ;; can handle newval == #f here => that means key is removed + (cond + ((equal? newval val) + (set! res (append res (list hed)))) + ((not newval) ;; key has been removed + (set! new #f)) + ((not (equal? newval val)) + (hash-table-set! sechash key newval) + (set! new (conc key " " newval))) + (else + (debug:print-error 0 *default-log-port* "problem parsing line number " lnum "\"" hed "\""))))) + (else + (debug:print-error 0 *default-log-port* "Problem parsing line num " lnum " :\n " hed ))) + (if (not (null? tal)) + (loop (car tal)(cdr tal)(if new (append res (list new)) res)(+ lnum 1))) + ;; drop to here when done processing, res contains modified list of lines + (set! fdat res))) + + ;; step 4: Append new values to the section + (for-each + (lambda (section) + (let ((sdat '()) ;; append needed bits here + (svars (configf:section-vars indat section))) + (for-each + (lambda (var) + (let ((val (configf:lookup refdat section var))) + (if (not val) ;; this one is new + (begin + (if (null? sdat)(set! sdat (list (conc "[" section "]")))) + (set! sdat (append sdat (list (conc var " " val)))))))) + svars) + (set! fdat (append fdat sdat)))) + (delete-duplicates (append required-sections (hash-table-keys indat)))) + + ;; step 5: Write out new file + (with-output-to-file fname + (lambda () + (for-each + (lambda (line) + (print line)) + (configf:expand-multi-lines fdat)))))) + +;; map over all pairs in a three level hierarchial alist and apply a function to the keys/val +;; +(define (configf:map-all-hier-alist data proc #!key (initproc1 #f)(initproc2 #f)(initproc3 #f)) + (for-each + (lambda (sheetname) + (let* ((sheettmp (assoc sheetname data)) + (sheetdat (if sheettmp (cadr sheettmp) '()))) + (if initproc1 (initproc1 sheetname)) + (for-each + (lambda (sectionname) + (let* ((sectiontmp (assoc sectionname sheetdat)) + (sectiondat (if sectiontmp (cadr sectiontmp) '()))) + (if initproc2 (initproc2 sheetname sectionname)) + (for-each + (lambda (varname) + (let* ((valtmp (assoc varname sectiondat)) + (val (if valtmp (cadr valtmp) ""))) + (proc sheetname sectionname varname val))) + (map car sectiondat)))) + (map car sheetdat)))) + (map car data)) + data) + +;;====================================================================== +;; C O N F I G T O / F R O M A L I S T +;;====================================================================== + +(define (configf:config->alist cfgdat) + (hash-table->alist cfgdat)) + +(define (configf:alist->config adat) + (let ((ht (make-hash-table))) + (for-each + (lambda (section) + (hash-table-set! ht (car section)(cdr section))) + adat) + ht)) + +;; if +(define (configf:read-alist fname) + (handle-exceptions + exn + (begin + (debug:print 0 *default-log-port* "read of alist " fname " failed. exn=" exn) + #f) + (configf:alist->config + (with-input-from-file fname read)))) + + +;; convert hierarchial list to ini format +;; +(define (configf:config->ini data) + (map + (lambda (section) + (let ((section-name (car section)) + (section-dat (cdr section))) + (print "\n[" section-name "]") + (map (lambda (dat-pair) + (let* ((var (car dat-pair)) + (val (cadr dat-pair)) + (fname (if (> (length dat-pair) 2)(caddr dat-pair) #f))) + (if fname (print "# " var "=>" fname)) + (print var " " val))) + section-dat))) ;; (print "section-dat: " section-dat)) + (hash-table->alist data))) + + ) Index: process.scm ================================================================== --- process.scm +++ process.scm @@ -23,216 +23,10 @@ ;;====================================================================== (use regex directory-utils) (declare (unit process)) (declare (uses debugprint)) - -(import debugprint) - -(define (process:conservative-read port) - (let loop ((res "")) - (if (not (eof-object? (peek-char port))) - (loop (conc res (read-char port))) - res))) - -(define (process:cmd-run-with-stderr->list cmd . params) - ;; (print "Called with cmd=" cmd ", proc=" proc ", params=" params) -;; (handle-exceptions -;; exn -;; (begin -;; (print "ERROR: Failed to run command: " cmd " " (string-intersperse params " ")) -;; (print " " ((condition-property-accessor 'exn 'message) exn)) -;; #f) - (let-values (((fh fho pid fhe) (if (null? params) - (process* cmd) - (process* cmd params)))) - (let loop ((curr (read-line fh)) - (result '())) - (let ((errstr (process:conservative-read fhe))) - (if (not (string=? errstr "")) - (set! result (append result (list errstr))))) - (if (not (eof-object? curr)) - (loop (read-line fh) - (append result (list curr))) - (begin - (close-input-port fh) - (close-input-port fhe) - (close-output-port fho) - result))))) ;; ) - -(define (process:cmd-run-with-stderr-and-exitcode->list cmd . params) - ;; (print "Called with cmd=" cmd ", proc=" proc ", params=" params) -;; (handle-exceptions -;; exn -;; (begin -;; (print "ERROR: Failed to run command: " cmd " " (string-intersperse params " ")) -;; (print " " ((condition-property-accessor 'exn 'message) exn)) -;; #f) - (let-values (((fh fho pid fhe) (if (null? params) - (process* cmd) - (process* cmd params)))) - (let loop ((curr (read-line fh)) - (result '())) - (let ((errstr (process:conservative-read fhe))) - (if (not (string=? errstr "")) - (set! result (append result (list errstr))))) - (if (not (eof-object? curr)) - (loop (read-line fh) - (append result (list curr))) - (begin - (let-values (((anotherpid normalexit? exitstatus) (process-wait pid))) - (close-input-port fh) - (close-input-port fhe) - (close-output-port fho) - (list result (if normalexit? exitstatus -1)))))))) - -(define (process:cmd-run-proc-each-line cmd proc . params) - ;; (print "Called with cmd=" cmd ", proc=" proc ", params=" params) - (handle-exceptions - exn - (begin - (debug:print 0 *default-log-port* "ERROR: Failed to run command: " cmd " " (string-intersperse params " ")) - (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn)) - (debug:print 5 *default-log-port* "exn=" (condition->list exn)) - #f) - (let-values (((fh fho pid) (if (null? params) - (process cmd) - (process cmd params)))) - (let loop ((curr (read-line fh)) - (result '())) - (if (not (eof-object? curr)) - (loop (read-line fh) - (append result (list (proc curr)))) - (begin - (close-input-port fh) - ;;(close-input-port fhe) - (close-output-port fho) - result)))))) - -(define (process:cmd-run-proc-each-line-alt cmd proc) - (let* ((fh (open-input-pipe cmd)) - (res (port-proc->list fh proc)) - (status (close-input-pipe fh))) - (if (eq? status 0) res #f))) - -(define (process:cmd-run->list cmd #!key (delta-env-alist-or-hash-table '())) - (common:with-env-vars - delta-env-alist-or-hash-table - (lambda () - (let* ((fh (open-input-pipe cmd)) - (res (port->list fh)) - (status (close-input-pipe fh))) - (list res status))))) - -(define (port->list fh) - (if (eof-object? fh) #f - (let loop ((curr (read-line fh)) - (result '())) - (if (not (eof-object? curr)) - (loop (read-line fh) - (append result (list curr))) - result)))) - -(define (port-proc->list fh proc) - (if (eof-object? fh) #f - (let loop ((curr (proc (read-line fh))) - (result '())) - (if (not (eof-object? curr)) - (loop (let ((l (read-line fh))) - (if (eof-object? l) l (proc l))) - (append result (list curr))) - result)))) - -;; here is an example line where the shell is sh or bash -;; "find / -print 2&>1 > findall.log" -(define (run-n-wait cmdline #!key (params #f)(print-cmd #f)(run-dir #f)) - (if print-cmd - (debug:print 0 *default-log-port* - (if (string? print-cmd) - print-cmd - "") - (if run-dir (conc "Run in " run-dir ";") "") - cmdline - (if params - (conc " " (string-intersperse params " ")) - ""))) - (if (and run-dir - (directory-exists? run-dir)) - (push-directory run-dir)) - (let ((pid (if params - (process-run cmdline params) - (process-run cmdline)))) - (let loop ((i 0)) - (let-values (((pid-val exit-status exit-code) (process-wait pid #t))) - (if (eq? pid-val 0) - (begin - (thread-sleep! 2) - (loop (+ i 1))) - (begin - (if (and run-dir - (directory-exists? run-dir)) - (pop-directory)) - (values pid-val exit-status exit-code))))))) - -;;====================================================================== -;; MISC PROCESS RELATED STUFF -;;====================================================================== - -(define (process:children proc) - (with-input-from-pipe - (conc "ps h --ppid " (current-process-id) " -o pid") - (lambda () - (let loop ((inl (read-line)) - (res '())) - (if (eof-object? inl) - (reverse res) - (let ((pid (string->number inl))) - (if proc (proc pid)) - (loop (read-line) (cons pid res)))))))) - -(define (process:alive? pid) - (handle-exceptions - exn - ;; possibly pid is a process not a child, look in /proc to see if it is running still - (common:file-exists? (conc "/proc/" pid)) - (let-values (((rpid exit-type exit-signal)(process-wait pid #t))) - (and (number? rpid) - (equal? rpid pid))))) - -(define (process:alive-on-host? host pid) - (let ((cmd (conc "ssh " host " ps -o pid= -p " pid))) - (common:generic-ssh - cmd - ;; - ;; handle-exceptions - ;; exn - ;; (begin - ;; (debug:print 0 *default-log-port* "failed to identify if process " pid ", on host " host " is alive. exn=" exn) - ;; #f) ;; anything goes wrong - assume the process in NOT running. - ;; (with-input-from-pipe - ;; cmd - (lambda () - (let loop ((inl (read-line))) - (if (eof-object? inl) - #f - (let* ((clean-str (string-substitute "^[^\\d]*([0-9]+)[^\\d]*$" "\\1" inl)) - (innum (string->number clean-str))) - (and innum - (eq? pid innum)))))) - #f - (lambda () - (debug:print 0 *default-log-port* "failed to identify if process " - pid", on host "host" is alive. exn="exn))))) - - -(define (process:get-sub-pids pid) - (with-input-from-pipe - (conc "pstree -A -p " pid) ;; | tr 'a-z\\-+`()\\.' ' ' " pid) - (lambda () - (let loop ((inl (read-line)) - (res '())) - (if (eof-object? inl) - (reverse res) - (let ((nums (map string->number - (string-split-fields "\\d+" inl)))) - (loop (read-line) - (append res nums)))))))) +(declare (uses processmod)) + +(import debugprint + processmod) + ADDED processmod.scm Index: processmod.scm ================================================================== --- /dev/null +++ processmod.scm @@ -0,0 +1,307 @@ +;;====================================================================== +;; Copyright 2017, Matthew Welland. +;; +;; This file is part of Megatest. +;; +;; Megatest is free software: you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation, either version 3 of the License, or +;; (at your option) any later version. +;; +;; Megatest is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;; GNU General Public License for more details. +;; +;; You should have received a copy of the GNU General Public License +;; along with Megatest. If not, see . + +;;====================================================================== + +(declare (unit processmod)) +(declare (uses debugprint)) +(declare (uses commonmod)) + +(use srfi-69) + +(module processmod + * + +(import scheme) +(cond-expand + (chicken-4 + + (import chicken + ports + + (prefix sqlite3 sqlite3:) + data-structures + directory-utils + extras + files + matchable + md5 + message-digest + pathname-expand + posix + posix-extras + regex + regex-case + srfi-1 + srfi-18 + srfi-69 + typed-records + + debugprint + commonmod + ) + (use srfi-69)) + (chicken-5 + (import (prefix sqlite3 sqlite3:) + ;; data-structures + ;; extras + ;; files + ;; posix + ;; posix-extras + chicken.base + chicken.condition + chicken.file + chicken.file.posix + chicken.io + chicken.pathname + chicken.port + chicken.process + chicken.process-context + chicken.process-context.posix + chicken.sort + chicken.string + chicken.time + chicken.time.posix + + matchable + md5 + message-digest + pathname-expand + regex + regex-case + srfi-1 + srfi-18 + srfi-69 + typed-records + system-information + + debugprint + commonmod + ))) + +(define (process:conservative-read port) + (let loop ((res "")) + (if (not (eof-object? (peek-char port))) + (loop (conc res (read-char port))) + res))) + +(define (process:cmd-run-with-stderr->list cmd . params) + ;; (print "Called with cmd=" cmd ", proc=" proc ", params=" params) +;; (handle-exceptions +;; exn +;; (begin +;; (print "ERROR: Failed to run command: " cmd " " (string-intersperse params " ")) +;; (print " " ((condition-property-accessor 'exn 'message) exn)) +;; #f) + (let-values (((fh fho pid fhe) (if (null? params) + (process* cmd) + (process* cmd params)))) + (let loop ((curr (read-line fh)) + (result '())) + (let ((errstr (process:conservative-read fhe))) + (if (not (string=? errstr "")) + (set! result (append result (list errstr))))) + (if (not (eof-object? curr)) + (loop (read-line fh) + (append result (list curr))) + (begin + (close-input-port fh) + (close-input-port fhe) + (close-output-port fho) + result))))) ;; ) + +(define (process:cmd-run-with-stderr-and-exitcode->list cmd . params) + ;; (print "Called with cmd=" cmd ", proc=" proc ", params=" params) +;; (handle-exceptions +;; exn +;; (begin +;; (print "ERROR: Failed to run command: " cmd " " (string-intersperse params " ")) +;; (print " " ((condition-property-accessor 'exn 'message) exn)) +;; #f) + (let-values (((fh fho pid fhe) (if (null? params) + (process* cmd) + (process* cmd params)))) + (let loop ((curr (read-line fh)) + (result '())) + (let ((errstr (process:conservative-read fhe))) + (if (not (string=? errstr "")) + (set! result (append result (list errstr))))) + (if (not (eof-object? curr)) + (loop (read-line fh) + (append result (list curr))) + (begin + (let-values (((anotherpid normalexit? exitstatus) (process-wait pid))) + (close-input-port fh) + (close-input-port fhe) + (close-output-port fho) + (list result (if normalexit? exitstatus -1)))))))) + +(define (process:cmd-run-proc-each-line cmd proc . params) + ;; (print "Called with cmd=" cmd ", proc=" proc ", params=" params) + (handle-exceptions + exn + (begin + (debug:print 0 *default-log-port* "ERROR: Failed to run command: " cmd " " (string-intersperse params " ")) + (debug:print 0 *default-log-port* " message: " ((condition-property-accessor 'exn 'message) exn)) + (debug:print 5 *default-log-port* "exn=" (condition->list exn)) + #f) + (let-values (((fh fho pid) (if (null? params) + (process cmd) + (process cmd params)))) + (let loop ((curr (read-line fh)) + (result '())) + (if (not (eof-object? curr)) + (loop (read-line fh) + (append result (list (proc curr)))) + (begin + (close-input-port fh) + ;;(close-input-port fhe) + (close-output-port fho) + result)))))) + +(define (process:cmd-run-proc-each-line-alt cmd proc) + (let* ((fh (open-input-pipe cmd)) + (res (port-proc->list fh proc)) + (status (close-input-pipe fh))) + (if (eq? status 0) res #f))) + +(define (process:cmd-run->list cmd #!key (delta-env-alist-or-hash-table '())) + (common:with-env-vars + delta-env-alist-or-hash-table + (lambda () + (let* ((fh (open-input-pipe cmd)) + (res (port->list fh)) + (status (close-input-pipe fh))) + (list res status))))) + +(define (port->list fh) + (if (eof-object? fh) #f + (let loop ((curr (read-line fh)) + (result '())) + (if (not (eof-object? curr)) + (loop (read-line fh) + (append result (list curr))) + result)))) + +(define (port-proc->list fh proc) + (if (eof-object? fh) #f + (let loop ((curr (proc (read-line fh))) + (result '())) + (if (not (eof-object? curr)) + (loop (let ((l (read-line fh))) + (if (eof-object? l) l (proc l))) + (append result (list curr))) + result)))) + +;; here is an example line where the shell is sh or bash +;; "find / -print 2&>1 > findall.log" +(define (run-n-wait cmdline #!key (params #f)(print-cmd #f)(run-dir #f)) + (if print-cmd + (debug:print 0 *default-log-port* + (if (string? print-cmd) + print-cmd + "") + (if run-dir (conc "Run in " run-dir ";") "") + cmdline + (if params + (conc " " (string-intersperse params " ")) + ""))) + (if (and run-dir + (directory-exists? run-dir)) + (push-directory run-dir)) + (let ((pid (if params + (process-run cmdline params) + (process-run cmdline)))) + (let loop ((i 0)) + (let-values (((pid-val exit-status exit-code) (process-wait pid #t))) + (if (eq? pid-val 0) + (begin + (thread-sleep! 2) + (loop (+ i 1))) + (begin + (if (and run-dir + (directory-exists? run-dir)) + (pop-directory)) + (values pid-val exit-status exit-code))))))) + +;;====================================================================== +;; MISC PROCESS RELATED STUFF +;;====================================================================== + +(define (process:children proc) + (with-input-from-pipe + (conc "ps h --ppid " (current-process-id) " -o pid") + (lambda () + (let loop ((inl (read-line)) + (res '())) + (if (eof-object? inl) + (reverse res) + (let ((pid (string->number inl))) + (if proc (proc pid)) + (loop (read-line) (cons pid res)))))))) + +(define (process:alive? pid) + (handle-exceptions + exn + ;; possibly pid is a process not a child, look in /proc to see if it is running still + (common:file-exists? (conc "/proc/" pid)) + (let-values (((rpid exit-type exit-signal)(process-wait pid #t))) + (and (number? rpid) + (equal? rpid pid))))) + +(define (process:alive-on-host? host pid) + (let ((cmd (conc "ssh " host " ps -o pid= -p " pid))) + (common:generic-ssh + cmd + ;; + ;; handle-exceptions + ;; exn + ;; (begin + ;; (debug:print 0 *default-log-port* "failed to identify if process " pid ", on host " host " is alive. exn=" exn) + ;; #f) ;; anything goes wrong - assume the process in NOT running. + ;; (with-input-from-pipe + ;; cmd + (lambda () + (let loop ((inl (read-line))) + (if (eof-object? inl) + #f + (let* ((clean-str (string-substitute "^[^\\d]*([0-9]+)[^\\d]*$" "\\1" inl)) + (innum (string->number clean-str))) + (and innum + (eq? pid innum)))))) + #f + (lambda () + (debug:print 0 *default-log-port* "failed to identify if process " + pid", on host "host" is alive."))))) + + +(define (process:get-sub-pids pid) + (with-input-from-pipe + (conc "pstree -A -p " pid) ;; | tr 'a-z\\-+`()\\.' ' ' " pid) + (lambda () + (let loop ((inl (read-line)) + (res '())) + (if (eof-object? inl) + (reverse res) + (let ((nums (map string->number + (string-split-fields "\\d+" inl)))) + (loop (read-line) + (append res nums)))))))) + + +)